[Japanese]

JVNDB-2013-000078

Yafuoku! contains an issue where it fails to verify SSL server certificates

Overview

Yafuoku! provided by Yahoo Japan Corporation contains an issue where it fails to verify SSL server certificates.

Zachary Mathis of Proactive Defense (Kobe Digital Labo) reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


Yahoo Japan Corporation
  • Yafuoku! ver.4.3.0 and earlier (for iOS, Android)

Impact

A man-in-the-minddle attack may allow an attacker to eavesdrop on an encrypted communication.
Solution

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Yahoo Japan Corporation
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2013-4699
References

  1. JVN : JVN#68156832
  2. National Vulnerability Database (NVD) : CVE-2013-4699
Revision History

  • [2013/08/19]
      Web page was published
    [2013/08/23]
      References : Content was added

Date Public2013/08/19
Date First Published2013/08/19
Date Last Updated2013/08/23